1 files changed, 49 insertions, 0 deletions

diff --git a/test/recaptcha_test.exs b/test/recaptcha_test.exs
new file mode 100644
index 0000000..ad57772
--- /dev/null
+++ b/test/recaptcha_test.exs
@@ -0,0 +1,49 @@
+defmodule RecaptchaTest do
+  use ExUnit.Case, async: true
+
+  # see https://developers.google.com/recaptcha/docs/faq#id-like-to-run-automated-tests-with-recaptcha-v2-what-should-i-do
+  @google_test_secret "6LeIxAcTAAAAAGG-vFI1TnRWxMZNFuojJ4WifJWe"
+
+  test "When the supplied g-recaptcha-response is nil, :invalid_input_response is returned" do
+    assert {:error, messages} = Recaptcha.verify(nil)
+    assert messages == [:invalid_input_response]
+  end
+
+  test "When the supplied g-recaptcha-response is not nil, but invalid, multiple errors are returned" do
+    assert {:error, messages} = Recaptcha.verify("not_valid")
+    assert messages == [:invalid_input_response, :invalid_input_secret]
+  end
+
+  test "When the correct secret is supplied but g-recaptcha-response is invalid :invalid_input_response' is returned" do
+    assert {:error, messages} = Recaptcha.verify("not_valid", secret: @google_test_secret)
+    assert messages == [:invalid_input_response]
+  end
+
+  test "When a valid response is supplied, a success response is returned" do
+    assert {:ok, %{challenge_ts: _, hostname: _}} = Recaptcha.verify("valid_response", secret: "6LeIxAcTAAAAAGG-vFI1TnRWxMZNFuojJ4WifJWe")
+  end
+
+  test "When secret is not overridden the configured secret is used" do
+    Recaptcha.verify("valid_response")
+
+    assert_received {:request_verification, "response=valid_response&secret=test_secret", _}
+  end
+
+  test "When the timeout is overridden that config is passed to verify/2 as an option" do
+    Recaptcha.verify("valid_response", timeout: 25000)
+
+    assert_received {:request_verification, _, [timeout: 25000]}
+  end
+
+  test "Remote IP is used in the request body when it is passed into verify/2 as an option" do
+    Recaptcha.verify("valid_response", remote_ip: "192.168.1.1")
+
+    assert_received {:request_verification, "response=valid_response&secret=test_secret&remote_ip=192.168.1.1", _}
+  end
+
+  test "Adding unsupported options does not append them to the request body" do
+    Recaptcha.verify("valid_response", unsupported_option: "not_valid")
+
+    assert_received {:request_verification, "response=valid_response&secret=test_secret", _}
+  end
+end